apps/s_client.c

   1 /* apps/s_client.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2005 Nokia. All rights reserved.
 113  *
 114  * The portions of the attached software ("Contribution") is developed by
 115  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 116  * license.
 117  *
 118  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 119  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 120  * support (see RFC 4279) to OpenSSL.
 121  *
 122  * No patent licenses or other rights except those expressly stated in
 123  * the OpenSSL open source license shall be deemed granted or received
 124  * expressly, by implication, estoppel, or otherwise.
 125  *
 126  * No assurances are provided by Nokia that the Contribution does not
 127  * infringe the patent or other intellectual property rights of any third
 128  * party or that the license provides you with all the necessary rights
 129  * to make use of the Contribution.
 130  *
 131  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 132  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 133  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 134  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 135  * OTHERWISE.
 136  */
 137
 138 #include <assert.h>
 139 #include <ctype.h>
 140 #include <stdio.h>
 141 #include <stdlib.h>
 142 #include <string.h>
 143 #include <openssl/e_os2.h>
 144 #ifdef OPENSSL_NO_STDIO
 145 #define APPS_WIN16
 146 #endif
 147
 148 /* With IPv6, it looks like Digital has mixed up the proper order of
 149    recursive header file inclusion, resulting in the compiler complaining
 150    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 151    is needed to have fileno() declared correctly...  So let's define u_int */
 152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 153 #define __U_INT
 154 typedef unsigned int u_int;
 155 #endif
 156
 157 #define USE_SOCKETS
 158 #include "apps.h"
 159 #include <openssl/x509.h>
 160 #include <openssl/ssl.h>
 161 #include <openssl/err.h>
 162 #include <openssl/pem.h>
 163 #include <openssl/rand.h>
 164 #include <openssl/ocsp.h>
 165 #include <openssl/bn.h>
 166 #ifndef OPENSSL_NO_SRP
 167 #include <openssl/srp.h>
 168 #endif
 169 #include "s_apps.h"
 170 #include "timeouts.h"
 171
 172 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 173 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 174 #undef FIONBIO
 175 #endif
 176
 177 #if defined(OPENSSL_SYS_BEOS_R5)
 178 #include <fcntl.h>
 179 #endif
 180
 181 #undef PROG
 182 #define PROG    s_client_main
 183
 184 /*#define SSL_HOST_NAME "www.netscape.com" */
 185 /*#define SSL_HOST_NAME "193.118.187.102" */
 186 #define SSL_HOST_NAME   "localhost"
 187
 188 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 189
 190 #undef BUFSIZZ
 191 #define BUFSIZZ 1024*8
 192
 193 extern int verify_depth;
 194 extern int verify_error;
 195 extern int verify_return_error;
 196 extern int verify_quiet;
 197
 198 #ifdef FIONBIO
 199 static int c_nbio=0;
 200 #endif
 201 static int c_Pause=0;
 202 static int c_debug=0;
 203 #ifndef OPENSSL_NO_TLSEXT
 204 static int c_tlsextdebug=0;
 205 static int c_status_req=0;
 206 #endif
 207 static int c_msg=0;
 208 static int c_showcerts=0;
 209
 210 static char *keymatexportlabel=NULL;
 211 static int keymatexportlen=20;
 212
 213 static void sc_usage(void);
 214 static void print_stuff(BIO *berr,SSL *con,int full);
 215 #ifndef OPENSSL_NO_TLSEXT
 216 static int ocsp_resp_cb(SSL *s, void *arg);
 217 static int c_auth = 0;
 218 static int c_auth_require_reneg = 0;
 219 #endif
 220 static BIO *bio_c_out=NULL;
 221 static BIO *bio_c_msg=NULL;
 222 static int c_quiet=0;
 223 static int c_ign_eof=0;
 224 static int c_brief=0;
 225
 226 #ifndef OPENSSL_NO_TLSEXT
 227
 228 static unsigned char *generated_supp_data = NULL;
 229
 230 static unsigned char *most_recent_supplemental_data = NULL;
 231 static size_t most_recent_supplemental_data_length = 0;
 232
 233 static int server_provided_server_authz = 0;
 234 static int server_provided_client_authz = 0;
 235
 236 static const unsigned char auth_ext_data[]={TLSEXT_AUTHZDATAFORMAT_dtcp};
 237
 238 static int suppdata_cb(SSL *s, unsigned short supp_data_type,
 239                        const unsigned char *in,
 240                        unsigned short inlen, int *al,
 241                        void *arg);
 242
 243 static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
 244                                      const unsigned char **out,
 245                                      unsigned short *outlen, void *arg);
 246
 247 static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
 248                                     const unsigned char **out, unsigned short *outlen,
 249                                     void *arg);
 250
 251 static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
 252                            const unsigned char *in,
 253                            unsigned short inlen, int *al,
 254                            void *arg);
 255 #endif
 256
 257 #ifndef OPENSSL_NO_PSK
 258 /* Default PSK identity and key */
 259 static char *psk_identity="Client_identity";
 260 /*char *psk_key=NULL;  by default PSK is not used */
 261
 262 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
 263         unsigned int max_identity_len, unsigned char *psk,
 264         unsigned int max_psk_len)
 265         {
 266         unsigned int psk_len = 0;
 267         int ret;
 268         BIGNUM *bn=NULL;
 269
 270         if (c_debug)
 271                 BIO_printf(bio_c_out, "psk_client_cb\n");
 272         if (!hint)
 273                 {
 274                 /* no ServerKeyExchange message*/
 275                 if (c_debug)
 276                         BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
 277                 }
 278         else if (c_debug)
 279                 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
 280
 281         /* lookup PSK identity and PSK key based on the given identity hint here */
 282         ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
 283         if (ret < 0 || (unsigned int)ret > max_identity_len)
 284                 goto out_err;
 285         if (c_debug)
 286                 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
 287         ret=BN_hex2bn(&bn, psk_key);
 288         if (!ret)
 289                 {
 290                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 291                 if (bn)
 292                         BN_free(bn);
 293                 return 0;
 294                 }
 295
 296         if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
 297                 {
 298                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 299                         max_psk_len, BN_num_bytes(bn));
 300                 BN_free(bn);
 301                 return 0;
 302                 }
 303
 304         psk_len=BN_bn2bin(bn, psk);
 305         BN_free(bn);
 306         if (psk_len == 0)
 307                 goto out_err;
 308
 309         if (c_debug)
 310                 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
 311
 312         return psk_len;
 313  out_err:
 314         if (c_debug)
 315                 BIO_printf(bio_err, "Error in PSK client callback\n");
 316         return 0;
 317         }
 318 #endif
 319
 320 static void sc_usage(void)
 321         {
 322         BIO_printf(bio_err,"usage: s_client args\n");
 323         BIO_printf(bio_err,"\n");
 324         BIO_printf(bio_err," -host host     - use -connect instead\n");
 325         BIO_printf(bio_err," -port port     - use -connect instead\n");
 326         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 327         BIO_printf(bio_err," -checkhost host - check peer certificate matches \"host\"\n");
 328         BIO_printf(bio_err," -checkemail email - check peer certificate matches \"email\"\n");
 329         BIO_printf(bio_err," -checkip ipaddr - check peer certificate matches \"ipaddr\"\n");
 330
 331         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 332         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 333         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 334         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 335         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 336         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 337         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 338         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 339         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 340         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 341         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 342         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 343         BIO_printf(bio_err," -debug        - extra output\n");
 344 #ifdef WATT32
 345         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 346 #endif
 347         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 348         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 349         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 350 #ifdef FIONBIO
 351         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 352 #endif
 353         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 354         BIO_printf(bio_err," -quiet        - no s_client output\n");
 355         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 356         BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
 357 #ifndef OPENSSL_NO_PSK
 358         BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
 359         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 360 # ifndef OPENSSL_NO_JPAKE
 361         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 362 # endif
 363 #endif
 364 #ifndef OPENSSL_NO_SRP
 365         BIO_printf(bio_err," -srpuser user     - SRP authentification for 'user'\n");
 366         BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
 367         BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
 368         BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
 369         BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
 370 #endif
 371         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 372         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 373         BIO_printf(bio_err," -tls1_2       - just use TLSv1.2\n");
 374         BIO_printf(bio_err," -tls1_1       - just use TLSv1.1\n");
 375         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 376         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 377         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 378         BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 379         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 380         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
 381         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 382         BIO_printf(bio_err,"                 command to see what is available\n");
 383         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 384         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 385         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 386         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 387         BIO_printf(bio_err,"                 are supported.\n");
 388 #ifndef OPENSSL_NO_ENGINE
 389         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 390 #endif
 391         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 392         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 393         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 394 #ifndef OPENSSL_NO_TLSEXT
 395         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 396         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 397         BIO_printf(bio_err," -status           - request certificate status from server\n");
 398         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 399         BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
 400         BIO_printf(bio_err," -auth               - send and receive RFC 5878 TLS auth extensions and supplemental data\n");
 401         BIO_printf(bio_err," -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n");
 402 #endif
 403 # ifndef OPENSSL_NO_NEXTPROTONEG
 404         BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 405 # endif
 406         BIO_printf(bio_err," -alpn arg         - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
 407         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 408         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 409         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 410         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 411         }
 412
 413 #ifndef OPENSSL_NO_TLSEXT
 414
 415 /* This is a context that we pass to callbacks */
 416 typedef struct tlsextctx_st {
 417    BIO * biodebug;
 418    int ack;
 419 } tlsextctx;
 420
 421
 422 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 423         {
 424         tlsextctx * p = (tlsextctx *) arg;
 425         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 426         if (SSL_get_servername_type(s) != -1)
 427                 p->ack = !SSL_session_reused(s) && hn != NULL;
 428         else
 429                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 430
 431         return SSL_TLSEXT_ERR_OK;
 432         }
 433
 434 #ifndef OPENSSL_NO_SRP
 435
 436 /* This is a context that we pass to all callbacks */
 437 typedef struct srp_arg_st
 438         {
 439         char *srppassin;
 440         char *srplogin;
 441         int msg;   /* copy from c_msg */
 442         int debug; /* copy from c_debug */
 443         int amp;   /* allow more groups */
 444         int strength /* minimal size for N */ ;
 445         } SRP_ARG;
 446
 447 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
 448
 449 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
 450         {
 451         BN_CTX *bn_ctx = BN_CTX_new();
 452         BIGNUM *p = BN_new();
 453         BIGNUM *r = BN_new();
 454         int ret =
 455                 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
 456                 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 457                 p != NULL && BN_rshift1(p, N) &&
 458
 459                 /* p = (N-1)/2 */
 460                 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 461                 r != NULL &&
 462
 463                 /* verify g^((N-1)/2) == -1 (mod N) */
 464                 BN_mod_exp(r, g, p, N, bn_ctx) &&
 465                 BN_add_word(r, 1) &&
 466                 BN_cmp(r, N) == 0;
 467
 468         if(r)
 469                 BN_free(r);
 470         if(p)
 471                 BN_free(p);
 472         if(bn_ctx)
 473                 BN_CTX_free(bn_ctx);
 474         return ret;
 475         }
 476
 477 /* This callback is used here for two purposes:
 478    - extended debugging
 479    - making some primality tests for unknown groups
 480    The callback is only called for a non default group.
 481
 482    An application does not need the call back at all if
 483    only the stanard groups are used.  In real life situations,
 484    client and server already share well known groups,
 485    thus there is no need to verify them.
 486    Furthermore, in case that a server actually proposes a group that
 487    is not one of those defined in RFC 5054, it is more appropriate
 488    to add the group to a static list and then compare since
 489    primality tests are rather cpu consuming.
 490 */
 491
 492 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
 493         {
 494         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 495         BIGNUM *N = NULL, *g = NULL;
 496         if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
 497                 return 0;
 498         if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
 499                 {
 500                 BIO_printf(bio_err, "SRP parameters:\n");
 501                 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
 502                 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
 503                 BIO_printf(bio_err,"\n");
 504                 }
 505
 506         if (SRP_check_known_gN_param(g,N))
 507                 return 1;
 508
 509         if (srp_arg->amp == 1)
 510                 {
 511                 if (srp_arg->debug)
 512                         BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
 513
 514 /* The srp_moregroups is a real debugging feature.
 515    Implementors should rather add the value to the known ones.
 516    The minimal size has already been tested.
 517 */
 518                 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
 519                         return 1;
 520                 }
 521         BIO_printf(bio_err, "SRP param N and g rejected.\n");
 522         return 0;
 523         }
 524
 525 #define PWD_STRLEN 1024
 526
 527 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
 528         {
 529         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 530         char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
 531         PW_CB_DATA cb_tmp;
 532         int l;
 533
 534         cb_tmp.password = (char *)srp_arg->srppassin;
 535         cb_tmp.prompt_info = "SRP user";
 536         if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
 537                 {
 538                 BIO_printf (bio_err, "Can't read Password\n");
 539                 OPENSSL_free(pass);
 540                 return NULL;
 541                 }
 542         *(pass+l)= '\0';
 543
 544         return pass;
 545         }
 546
 547 #endif
 548         char *srtp_profiles = NULL;
 549
 550 # ifndef OPENSSL_NO_NEXTPROTONEG
 551 /* This the context that we pass to next_proto_cb */
 552 typedef struct tlsextnextprotoctx_st {
 553         unsigned char *data;
 554         unsigned short len;
 555         int status;
 556 } tlsextnextprotoctx;
 557
 558 static tlsextnextprotoctx next_proto;
 559
 560 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 561         {
 562         tlsextnextprotoctx *ctx = arg;
 563
 564         if (!c_quiet)
 565                 {
 566                 /* We can assume that |in| is syntactically valid. */
 567                 unsigned i;
 568                 BIO_printf(bio_c_out, "Protocols advertised by server: ");
 569                 for (i = 0; i < inlen; )
 570                         {
 571                         if (i)
 572                                 BIO_write(bio_c_out, ", ", 2);
 573                         BIO_write(bio_c_out, &in[i + 1], in[i]);
 574                         i += in[i] + 1;
 575                         }
 576                 BIO_write(bio_c_out, "\n", 1);
 577                 }
 578
 579         ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
 580         return SSL_TLSEXT_ERR_OK;
 581         }
 582 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 583
 584 static int serverinfo_cli_cb(SSL* s, unsigned short ext_type,
 585                              const unsigned char* in, unsigned short inlen,
 586                              int* al, void* arg)
 587         {
 588         char pem_name[100];
 589         unsigned char ext_buf[4 + 65536];
 590
 591         /* Reconstruct the type/len fields prior to extension data */
 592         ext_buf[0] = ext_type >> 8;
 593         ext_buf[1] = ext_type & 0xFF;
 594         ext_buf[2] = inlen >> 8;
 595         ext_buf[3] = inlen & 0xFF;
 596         memcpy(ext_buf+4, in, inlen);
 597
 598         BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
 599                      ext_type);
 600         PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
 601         return 1;
 602         }
 603
 604 #endif
 605
 606 enum
 607 {
 608         PROTO_OFF       = 0,
 609         PROTO_SMTP,
 610         PROTO_POP3,
 611         PROTO_IMAP,
 612         PROTO_FTP,
 613         PROTO_XMPP
 614 };
 615
 616 int MAIN(int, char **);
 617
 618 int MAIN(int argc, char **argv)
 619         {
 620         int build_chain = 0;
 621         SSL *con=NULL;
 622 #ifndef OPENSSL_NO_KRB5
 623         KSSL_CTX *kctx;
 624 #endif
 625         int s,k,width,state=0;
 626         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 627         int cbuf_len,cbuf_off;
 628         int sbuf_len,sbuf_off;
 629         fd_set readfds,writefds;
 630         short port=PORT;
 631         int full_log=1;
 632         char *host=SSL_HOST_NAME;
 633         char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
 634         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 635         char *passarg = NULL, *pass = NULL;
 636         X509 *cert = NULL;
 637         EVP_PKEY *key = NULL;
 638         STACK_OF(X509) *chain = NULL;
 639         char *CApath=NULL,*CAfile=NULL;
 640         char *chCApath=NULL,*chCAfile=NULL;
 641         char *vfyCApath=NULL,*vfyCAfile=NULL;
 642         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
 643         int crlf=0;
 644         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 645         SSL_CTX *ctx=NULL;
 646         int ret=1,in_init=1,i,nbio_test=0;
 647         int starttls_proto = PROTO_OFF;
 648         int prexit = 0;
 649         X509_VERIFY_PARAM *vpm = NULL;
 650         int badarg = 0;
 651         const SSL_METHOD *meth=NULL;
 652         int socket_type=SOCK_STREAM;
 653         BIO *sbio;
 654         char *inrand=NULL;
 655         int mbuf_len=0;
 656         struct timeval timeout, *timeoutp;
 657 #ifndef OPENSSL_NO_ENGINE
 658         char *engine_id=NULL;
 659         char *ssl_client_engine_id=NULL;
 660         ENGINE *ssl_client_engine=NULL;
 661 #endif
 662         ENGINE *e=NULL;
 663 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 664         struct timeval tv;
 665 #if defined(OPENSSL_SYS_BEOS_R5)
 666         int stdin_set = 0;
 667 #endif
 668 #endif
 669 #ifndef OPENSSL_NO_TLSEXT
 670         char *servername = NULL;
 671         tlsextctx tlsextcbp =
 672         {NULL,0};
 673 # ifndef OPENSSL_NO_NEXTPROTONEG
 674         const char *next_proto_neg_in = NULL;
 675 # endif
 676         const char *alpn_in = NULL;
 677 # define MAX_SI_TYPES 100
 678         unsigned short serverinfo_types[MAX_SI_TYPES];
 679         int serverinfo_types_count = 0;
 680 #endif
 681         char *sess_in = NULL;
 682         char *sess_out = NULL;
 683         struct sockaddr peer;
 684         int peerlen = sizeof(peer);
 685         int enable_timeouts = 0 ;
 686         long socket_mtu = 0;
 687 #ifndef OPENSSL_NO_JPAKE
 688 static char *jpake_secret = NULL;
 689 #define no_jpake !jpake_secret
 690 #else
 691 #define no_jpake 1
 692 #endif
 693 #ifndef OPENSSL_NO_SRP
 694         char * srppass = NULL;
 695         int srp_lateuser = 0;
 696         SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
 697 #endif
 698         SSL_EXCERT *exc = NULL;
 699
 700         SSL_CONF_CTX *cctx = NULL;
 701         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 702
 703         char *crl_file = NULL;
 704         int crl_format = FORMAT_PEM;
 705         int crl_download = 0;
 706         STACK_OF(X509_CRL) *crls = NULL;
 707
 708         meth=SSLv23_client_method();
 709
 710         apps_startup();
 711         c_Pause=0;
 712         c_quiet=0;
 713         c_ign_eof=0;
 714         c_debug=0;
 715         c_msg=0;
 716         c_showcerts=0;
 717
 718         if (bio_err == NULL)
 719                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 720
 721         if (!load_config(bio_err, NULL))
 722                 goto end;
 723
 724         cctx = SSL_CONF_CTX_new();
 725         if (!cctx)
 726                 goto end;
 727         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
 728         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
 729
 730         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 731                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 732                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 733                 {
 734                 BIO_printf(bio_err,"out of memory\n");
 735                 goto end;
 736                 }
 737
 738         verify_depth=0;
 739         verify_error=X509_V_OK;
 740 #ifdef FIONBIO
 741         c_nbio=0;
 742 #endif
 743
 744         argc--;
 745         argv++;
 746         while (argc >= 1)
 747                 {
 748                 if      (strcmp(*argv,"-host") == 0)
 749                         {
 750                         if (--argc < 1) goto bad;
 751                         host= *(++argv);
 752                         }
 753                 else if (strcmp(*argv,"-port") == 0)
 754                         {
 755                         if (--argc < 1) goto bad;
 756                         port=atoi(*(++argv));
 757                         if (port == 0) goto bad;
 758                         }
 759                 else if (strcmp(*argv,"-connect") == 0)
 760                         {
 761                         if (--argc < 1) goto bad;
 762                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 763                                 goto bad;
 764                         }
 765                 else if (strcmp(*argv,"-verify") == 0)
 766                         {
 767                         verify=SSL_VERIFY_PEER;
 768                         if (--argc < 1) goto bad;
 769                         verify_depth=atoi(*(++argv));
 770                         if (!c_quiet)
 771                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 772                         }
 773                 else if (strcmp(*argv,"-cert") == 0)
 774                         {
 775                         if (--argc < 1) goto bad;
 776                         cert_file= *(++argv);
 777                         }
 778                 else if (strcmp(*argv,"-CRL") == 0)
 779                         {
 780                         if (--argc < 1) goto bad;
 781                         crl_file= *(++argv);
 782                         }
 783                 else if (strcmp(*argv,"-crl_download") == 0)
 784                         crl_download = 1;
 785                 else if (strcmp(*argv,"-sess_out") == 0)
 786                         {
 787                         if (--argc < 1) goto bad;
 788                         sess_out = *(++argv);
 789                         }
 790                 else if (strcmp(*argv,"-sess_in") == 0)
 791                         {
 792                         if (--argc < 1) goto bad;
 793                         sess_in = *(++argv);
 794                         }
 795                 else if (strcmp(*argv,"-certform") == 0)
 796                         {
 797                         if (--argc < 1) goto bad;
 798                         cert_format = str2fmt(*(++argv));
 799                         }
 800                 else if (strcmp(*argv,"-CRLform") == 0)
 801                         {
 802                         if (--argc < 1) goto bad;
 803                         crl_format = str2fmt(*(++argv));
 804                         }
 805                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 806                         {
 807                         if (badarg)
 808                                 goto bad;
 809                         continue;
 810                         }
 811                 else if (strcmp(*argv,"-verify_return_error") == 0)
 812                         verify_return_error = 1;
 813                 else if (strcmp(*argv,"-verify_quiet") == 0)
 814                         verify_quiet = 1;
 815                 else if (strcmp(*argv,"-brief") == 0)
 816                         {
 817                         c_brief = 1;
 818                         verify_quiet = 1;
 819                         c_quiet = 1;
 820                         }
 821                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
 822                         {
 823                         if (badarg)
 824                                 goto bad;
 825                         continue;
 826                         }
 827                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
 828                         {
 829                         if (badarg)
 830                                 goto bad;
 831                         continue;
 832                         }
 833                 else if (strcmp(*argv,"-prexit") == 0)
 834                         prexit=1;
 835                 else if (strcmp(*argv,"-crlf") == 0)
 836                         crlf=1;
 837                 else if (strcmp(*argv,"-quiet") == 0)
 838                         {
 839                         c_quiet=1;
 840                         c_ign_eof=1;
 841                         }
 842                 else if (strcmp(*argv,"-ign_eof") == 0)
 843                         c_ign_eof=1;
 844                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 845                         c_ign_eof=0;
 846                 else if (strcmp(*argv,"-pause") == 0)
 847                         c_Pause=1;
 848                 else if (strcmp(*argv,"-debug") == 0)
 849                         c_debug=1;
 850 #ifndef OPENSSL_NO_TLSEXT
 851                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 852                         c_tlsextdebug=1;
 853                 else if (strcmp(*argv,"-status") == 0)
 854                         c_status_req=1;
 855                 else if (strcmp(*argv,"-auth") == 0)
 856                         c_auth = 1;
 857                 else if (strcmp(*argv,"-auth_require_reneg") == 0)
 858                         c_auth_require_reneg = 1;
 859 #endif
 860 #ifdef WATT32
 861                 else if (strcmp(*argv,"-wdebug") == 0)
 862                         dbug_init();
 863 #endif
 864                 else if (strcmp(*argv,"-msg") == 0)
 865                         c_msg=1;
 866                 else if (strcmp(*argv,"-msgfile") == 0)
 867                         {
 868                         if (--argc < 1) goto bad;
 869                         bio_c_msg = BIO_new_file(*(++argv), "w");
 870                         }
 871 #ifndef OPENSSL_NO_SSL_TRACE
 872                 else if (strcmp(*argv,"-trace") == 0)
 873                         c_msg=2;
 874 #endif
 875                 else if (strcmp(*argv,"-showcerts") == 0)
 876                         c_showcerts=1;
 877                 else if (strcmp(*argv,"-nbio_test") == 0)
 878                         nbio_test=1;
 879                 else if (strcmp(*argv,"-state") == 0)
 880                         state=1;
 881 #ifndef OPENSSL_NO_PSK
 882                 else if (strcmp(*argv,"-psk_identity") == 0)
 883                         {
 884                         if (--argc < 1) goto bad;
 885                         psk_identity=*(++argv);
 886                         }
 887                 else if (strcmp(*argv,"-psk") == 0)
 888                         {
 889                         size_t j;
 890
 891                         if (--argc < 1) goto bad;
 892                         psk_key=*(++argv);
 893                         for (j = 0; j < strlen(psk_key); j++)
 894                                 {
 895                                 if (isxdigit((unsigned char)psk_key[j]))
 896                                         continue;
 897                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 898                                 goto bad;
 899                                 }
 900                         }
 901 #endif
 902 #ifndef OPENSSL_NO_SRP
 903                 else if (strcmp(*argv,"-srpuser") == 0)
 904                         {
 905                         if (--argc < 1) goto bad;
 906                         srp_arg.srplogin= *(++argv);
 907                         meth=TLSv1_client_method();
 908                         }
 909                 else if (strcmp(*argv,"-srppass") == 0)
 910                         {
 911                         if (--argc < 1) goto bad;
 912                         srppass= *(++argv);
 913                         meth=TLSv1_client_method();
 914                         }
 915                 else if (strcmp(*argv,"-srp_strength") == 0)
 916                         {
 917                         if (--argc < 1) goto bad;
 918                         srp_arg.strength=atoi(*(++argv));
 919                         BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
 920                         meth=TLSv1_client_method();
 921                         }
 922                 else if (strcmp(*argv,"-srp_lateuser") == 0)
 923                         {
 924                         srp_lateuser= 1;
 925                         meth=TLSv1_client_method();
 926                         }
 927                 else if (strcmp(*argv,"-srp_moregroups") == 0)
 928                         {
 929                         srp_arg.amp=1;
 930                         meth=TLSv1_client_method();
 931                         }
 932 #endif
 933 #ifndef OPENSSL_NO_SSL2
 934                 else if (strcmp(*argv,"-ssl2") == 0)
 935                         meth=SSLv2_client_method();
 936 #endif
 937 #ifndef OPENSSL_NO_SSL3
 938                 else if (strcmp(*argv,"-ssl3") == 0)
 939                         meth=SSLv3_client_method();
 940 #endif
 941 #ifndef OPENSSL_NO_TLS1
 942                 else if (strcmp(*argv,"-tls1_2") == 0)
 943                         meth=TLSv1_2_client_method();
 944                 else if (strcmp(*argv,"-tls1_1") == 0)
 945                         meth=TLSv1_1_client_method();
 946                 else if (strcmp(*argv,"-tls1") == 0)
 947                         meth=TLSv1_client_method();
 948 #endif
 949 #ifndef OPENSSL_NO_DTLS1
 950                 else if (strcmp(*argv,"-dtls") == 0)
 951                         {
 952                         meth=DTLS_client_method();
 953                         socket_type=SOCK_DGRAM;
 954                         }
 955                 else if (strcmp(*argv,"-dtls1") == 0)
 956                         {
 957                         meth=DTLSv1_client_method();
 958                         socket_type=SOCK_DGRAM;
 959                         }
 960                 else if (strcmp(*argv,"-dtls1_2") == 0)
 961                         {
 962                         meth=DTLSv1_2_client_method();
 963                         socket_type=SOCK_DGRAM;
 964                         }
 965                 else if (strcmp(*argv,"-timeout") == 0)
 966                         enable_timeouts=1;
 967                 else if (strcmp(*argv,"-mtu") == 0)
 968                         {
 969                         if (--argc < 1) goto bad;
 970                         socket_mtu = atol(*(++argv));
 971                         }
 972 #endif
 973                 else if (strcmp(*argv,"-keyform") == 0)
 974                         {
 975                         if (--argc < 1) goto bad;
 976                         key_format = str2fmt(*(++argv));
 977                         }
 978                 else if (strcmp(*argv,"-pass") == 0)
 979                         {
 980                         if (--argc < 1) goto bad;
 981                         passarg = *(++argv);
 982                         }
 983                 else if (strcmp(*argv,"-cert_chain") == 0)
 984                         {
 985                         if (--argc < 1) goto bad;
 986                         chain_file= *(++argv);
 987                         }
 988                 else if (strcmp(*argv,"-key") == 0)
 989                         {
 990                         if (--argc < 1) goto bad;
 991                         key_file= *(++argv);
 992                         }
 993                 else if (strcmp(*argv,"-reconnect") == 0)
 994                         {
 995                         reconnect=5;
 996                         }
 997                 else if (strcmp(*argv,"-CApath") == 0)
 998                         {
 999                         if (--argc < 1) goto bad;
1000                         CApath= *(++argv);
1001                         }
1002                 else if (strcmp(*argv,"-chainCApath") == 0)
1003                         {
1004                         if (--argc < 1) goto bad;
1005                         chCApath= *(++argv);
1006                         }
1007                 else if (strcmp(*argv,"-verifyCApath") == 0)
1008                         {
1009                         if (--argc < 1) goto bad;
1010                         vfyCApath= *(++argv);
1011                         }
1012                 else if (strcmp(*argv,"-build_chain") == 0)
1013                         build_chain = 1;
1014                 else if (strcmp(*argv,"-CAfile") == 0)
1015                         {
1016                         if (--argc < 1) goto bad;
1017                         CAfile= *(++argv);
1018                         }
1019                 else if (strcmp(*argv,"-chainCAfile") == 0)
1020                         {
1021                         if (--argc < 1) goto bad;
1022                         chCAfile= *(++argv);
1023                         }
1024                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1025                         {
1026                         if (--argc < 1) goto bad;
1027                         vfyCAfile= *(++argv);
1028                         }
1029 #ifndef OPENSSL_NO_TLSEXT
1030 # ifndef OPENSSL_NO_NEXTPROTONEG
1031                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1032                         {
1033                         if (--argc < 1) goto bad;
1034                         next_proto_neg_in = *(++argv);
1035                         }
1036 # endif
1037                 else if (strcmp(*argv,"-alpn") == 0)
1038                         {
1039                         if (--argc < 1) goto bad;
1040                         alpn_in = *(++argv);
1041                         }
1042                 else if (strcmp(*argv,"-serverinfo") == 0)
1043                         {
1044                         char *c;
1045                         int start = 0;
1046                         int len;
1047
1048                         if (--argc < 1) goto bad;
1049                         c = *(++argv);
1050                         serverinfo_types_count = 0;
1051                         len = strlen(c);
1052                         for (i = 0; i <= len; ++i)
1053                                 {
1054                                 if (i == len || c[i] == ',')
1055                                         {
1056                                         serverinfo_types[serverinfo_types_count]
1057                                             = atoi(c+start);
1058                                         serverinfo_types_count++;
1059                                         start = i+1;
1060                                         }
1061                                 if (serverinfo_types_count == MAX_SI_TYPES)
1062                                         break;
1063                                 }
1064                         }
1065 #endif
1066 #ifdef FIONBIO
1067                 else if (strcmp(*argv,"-nbio") == 0)
1068                         { c_nbio=1; }
1069 #endif
1070                 else if (strcmp(*argv,"-starttls") == 0)
1071                         {
1072                         if (--argc < 1) goto bad;
1073                         ++argv;
1074                         if (strcmp(*argv,"smtp") == 0)
1075                                 starttls_proto = PROTO_SMTP;
1076                         else if (strcmp(*argv,"pop3") == 0)
1077                                 starttls_proto = PROTO_POP3;
1078                         else if (strcmp(*argv,"imap") == 0)
1079                                 starttls_proto = PROTO_IMAP;
1080                         else if (strcmp(*argv,"ftp") == 0)
1081                                 starttls_proto = PROTO_FTP;
1082                         else if (strcmp(*argv, "xmpp") == 0)
1083                                 starttls_proto = PROTO_XMPP;
1084                         else
1085                                 goto bad;
1086                         }
1087 #ifndef OPENSSL_NO_ENGINE
1088                 else if (strcmp(*argv,"-engine") == 0)
1089                         {
1090                         if (--argc < 1) goto bad;
1091                         engine_id = *(++argv);
1092                         }
1093                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1094                         {
1095                         if (--argc < 1) goto bad;
1096                         ssl_client_engine_id = *(++argv);
1097                         }
1098 #endif
1099                 else if (strcmp(*argv,"-rand") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         inrand= *(++argv);
1103                         }
1104 #ifndef OPENSSL_NO_TLSEXT
1105                 else if (strcmp(*argv,"-servername") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         servername= *(++argv);
1109                         /* meth=TLSv1_client_method(); */
1110                         }
1111 #endif
1112 #ifndef OPENSSL_NO_JPAKE
1113                 else if (strcmp(*argv,"-jpake") == 0)
1114                         {
1115                         if (--argc < 1) goto bad;
1116                         jpake_secret = *++argv;
1117                         }
1118 #endif
1119                 else if (strcmp(*argv,"-use_srtp") == 0)
1120                         {
1121                         if (--argc < 1) goto bad;
1122                         srtp_profiles = *(++argv);
1123                         }
1124                 else if (strcmp(*argv,"-keymatexport") == 0)
1125                         {
1126                         if (--argc < 1) goto bad;
1127                         keymatexportlabel= *(++argv);
1128                         }
1129                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1130                         {
1131                         if (--argc < 1) goto bad;
1132                         keymatexportlen=atoi(*(++argv));
1133                         if (keymatexportlen == 0) goto bad;
1134                         }
1135                 else
1136                         {
1137                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1138                         badop=1;
1139                         break;
1140                         }
1141                 argc--;
1142                 argv++;
1143                 }
1144         if (badop)
1145                 {
1146 bad:
1147                 sc_usage();
1148                 goto end;
1149                 }
1150
1151 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1152         if (jpake_secret)
1153                 {
1154                 if (psk_key)
1155                         {
1156                         BIO_printf(bio_err,
1157                                    "Can't use JPAKE and PSK together\n");
1158                         goto end;
1159                         }
1160                 psk_identity = "JPAKE";
1161                 }
1162 #endif
1163
1164         OpenSSL_add_ssl_algorithms();
1165         SSL_load_error_strings();
1166
1167 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1168         next_proto.status = -1;
1169         if (next_proto_neg_in)
1170                 {
1171                 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1172                 if (next_proto.data == NULL)
1173                         {
1174                         BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1175                         goto end;
1176                         }
1177                 }
1178         else
1179                 next_proto.data = NULL;
1180 #endif
1181
1182 #ifndef OPENSSL_NO_ENGINE
1183         e = setup_engine(bio_err, engine_id, 1);
1184         if (ssl_client_engine_id)
1185                 {
1186                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1187                 if (!ssl_client_engine)
1188                         {
1189                         BIO_printf(bio_err,
1190                                         "Error getting client auth engine\n");
1191                         goto end;
1192                         }
1193                 }
1194
1195 #endif
1196         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1197                 {
1198                 BIO_printf(bio_err, "Error getting password\n");
1199                 goto end;
1200                 }
1201
1202         if (key_file == NULL)
1203                 key_file = cert_file;
1204
1205
1206         if (key_file)
1207
1208                 {
1209
1210                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1211                                "client certificate private key file");
1212                 if (!key)
1213                         {
1214                         ERR_print_errors(bio_err);
1215                         goto end;
1216                         }
1217
1218                 }
1219
1220         if (cert_file)
1221
1222                 {
1223                 cert = load_cert(bio_err,cert_file,cert_format,
1224                                 NULL, e, "client certificate file");
1225
1226                 if (!cert)
1227                         {
1228                         ERR_print_errors(bio_err);
1229                         goto end;
1230                         }
1231                 }
1232
1233         if (chain_file)
1234                 {
1235                 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1236                                         NULL, e, "client certificate chain");
1237                 if (!chain)
1238                         goto end;
1239                 }
1240
1241         if (crl_file)
1242                 {
1243                 X509_CRL *crl;
1244                 crl = load_crl(crl_file, crl_format);
1245                 if (!crl)
1246                         {
1247                         BIO_puts(bio_err, "Error loading CRL\n");
1248                         ERR_print_errors(bio_err);
1249                         goto end;
1250                         }
1251                 crls = sk_X509_CRL_new_null();
1252                 if (!crls || !sk_X509_CRL_push(crls, crl))
1253                         {
1254                         BIO_puts(bio_err, "Error adding CRL\n");
1255                         ERR_print_errors(bio_err);
1256                         X509_CRL_free(crl);
1257                         goto end;
1258                         }
1259                 }
1260
1261         if (!load_excert(&exc, bio_err))
1262                 goto end;
1263
1264         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1265                 && !RAND_status())
1266                 {
1267                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1268                 }
1269         if (inrand != NULL)
1270                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1271                         app_RAND_load_files(inrand));
1272
1273         if (bio_c_out == NULL)
1274                 {
1275                 if (c_quiet && !c_debug)
1276                         {
1277                         bio_c_out=BIO_new(BIO_s_null());
1278                         if (c_msg && !bio_c_msg)
1279                                 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1280                         }
1281                 else
1282                         {
1283                         if (bio_c_out == NULL)
1284                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1285                         }
1286                 }
1287
1288 #ifndef OPENSSL_NO_SRP
1289         if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1290                 {
1291                 BIO_printf(bio_err, "Error getting password\n");
1292                 goto end;
1293                 }
1294 #endif
1295
1296         ctx=SSL_CTX_new(meth);
1297         if (ctx == NULL)
1298                 {
1299                 ERR_print_errors(bio_err);
1300                 goto end;
1301                 }
1302
1303         if (vpm)
1304                 SSL_CTX_set1_param(ctx, vpm);
1305
1306         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1307                 {
1308                 ERR_print_errors(bio_err);
1309                 goto end;
1310                 }
1311
1312         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1313                                                 crls, crl_download))
1314                 {
1315                 BIO_printf(bio_err, "Error loading store locations\n");
1316                 ERR_print_errors(bio_err);
1317                 goto end;
1318                 }
1319
1320 #ifndef OPENSSL_NO_ENGINE
1321         if (ssl_client_engine)
1322                 {
1323                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1324                         {
1325                         BIO_puts(bio_err, "Error setting client auth engine\n");
1326                         ERR_print_errors(bio_err);
1327                         ENGINE_free(ssl_client_engine);
1328                         goto end;
1329                         }
1330                 ENGINE_free(ssl_client_engine);
1331                 }
1332 #endif
1333
1334 #ifndef OPENSSL_NO_PSK
1335 #ifdef OPENSSL_NO_JPAKE
1336         if (psk_key != NULL)
1337 #else
1338         if (psk_key != NULL || jpake_secret)
1339 #endif
1340                 {
1341                 if (c_debug)
1342                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1343                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1344                 }
1345         if (srtp_profiles != NULL)
1346                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1347 #endif
1348         if (exc) ssl_ctx_set_excert(ctx, exc);
1349         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1350          * Setting read ahead solves this problem.
1351          */
1352         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1353
1354 #if !defined(OPENSSL_NO_TLSEXT)
1355 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1356         if (next_proto.data)
1357                 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1358 # endif
1359         if (alpn_in)
1360                 {
1361                 unsigned short alpn_len;
1362                 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1363
1364                 if (alpn == NULL)
1365                         {
1366                         BIO_printf(bio_err, "Error parsing -alpn argument\n");
1367                         goto end;
1368                         }
1369                 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1370                 OPENSSL_free(alpn);
1371                 }
1372 #endif
1373 #ifndef OPENSSL_NO_TLSEXT
1374                 if (serverinfo_types_count)
1375                         {
1376                         for (i = 0; i < serverinfo_types_count; i++)
1377                                 {
1378                                 SSL_CTX_set_custom_cli_ext(ctx,
1379                                                            serverinfo_types[i],
1380                                                            NULL,
1381                                                            serverinfo_cli_cb,
1382                                                            NULL);
1383                                 }
1384                         }
1385 #endif
1386
1387         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1388 #if 0
1389         else
1390                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1391 #endif
1392
1393         SSL_CTX_set_verify(ctx,verify,verify_callback);
1394
1395         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1396                 (!SSL_CTX_set_default_verify_paths(ctx)))
1397                 {
1398                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1399                 ERR_print_errors(bio_err);
1400                 /* goto end; */
1401                 }
1402
1403         ssl_ctx_add_crls(ctx, crls, crl_download);
1404         if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1405                 goto end;
1406
1407 #ifndef OPENSSL_NO_TLSEXT
1408         if (servername != NULL)
1409                 {
1410                 tlsextcbp.biodebug = bio_err;
1411                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1412                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1413                 }
1414 #ifndef OPENSSL_NO_SRP
1415         if (srp_arg.srplogin)
1416                 {
1417                 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1418                         {
1419                         BIO_printf(bio_err,"Unable to set SRP username\n");
1420                         goto end;
1421                         }
1422                 srp_arg.msg = c_msg;
1423                 srp_arg.debug = c_debug ;
1424                 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1425                 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1426                 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1427                 if (c_msg || c_debug || srp_arg.amp == 0)
1428                         SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1429                 }
1430
1431 #endif
1432         if (c_auth)
1433                 {
1434                 SSL_CTX_set_custom_cli_ext(ctx, TLSEXT_TYPE_client_authz, authz_tlsext_generate_cb, authz_tlsext_cb, bio_err);
1435                 SSL_CTX_set_custom_cli_ext(ctx, TLSEXT_TYPE_server_authz, authz_tlsext_generate_cb, authz_tlsext_cb, bio_err);
1436                 SSL_CTX_set_cli_supp_data(ctx, TLSEXT_SUPPLEMENTALDATATYPE_authz_data, suppdata_cb, auth_suppdata_generate_cb, bio_err);
1437                 }
1438 #endif
1439
1440         con=SSL_new(ctx);
1441         if (sess_in)
1442                 {
1443                 SSL_SESSION *sess;
1444                 BIO *stmp = BIO_new_file(sess_in, "r");
1445                 if (!stmp)
1446                         {
1447                         BIO_printf(bio_err, "Can't open session file %s\n",
1448                                                 sess_in);
1449                         ERR_print_errors(bio_err);
1450                         goto end;
1451                         }
1452                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1453                 BIO_free(stmp);
1454                 if (!sess)
1455                         {
1456                         BIO_printf(bio_err, "Can't open session file %s\n",
1457                                                 sess_in);
1458                         ERR_print_errors(bio_err);
1459                         goto end;
1460                         }
1461                 SSL_set_session(con, sess);
1462                 SSL_SESSION_free(sess);
1463                 }
1464 #ifndef OPENSSL_NO_DANE
1465         SSL_pull_tlsa_record(con,host,port);
1466 #endif
1467 #ifndef OPENSSL_NO_TLSEXT
1468         if (servername != NULL)
1469                 {
1470                 if (!SSL_set_tlsext_host_name(con,servername))
1471                         {
1472                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1473                         ERR_print_errors(bio_err);
1474                         goto end;
1475                         }
1476                 }
1477 #endif
1478 #ifndef OPENSSL_NO_KRB5
1479         if (con  &&  (kctx = kssl_ctx_new()) != NULL)
1480                 {
1481                 SSL_set0_kssl_ctx(con, kctx);
1482                 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1483                 }
1484 #endif  /* OPENSSL_NO_KRB5  */
1485 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
1486 #if 0
1487 #ifdef TLSEXT_TYPE_opaque_prf_input
1488         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1489 #endif
1490 #endif
1491
1492 re_start:
1493
1494         if (init_client(&s,host,port,socket_type) == 0)
1495                 {
1496                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1497                 SHUTDOWN(s);
1498                 goto end;
1499                 }
1500         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1501
1502 #ifdef FIONBIO
1503         if (c_nbio)
1504                 {
1505                 unsigned long l=1;
1506                 BIO_printf(bio_c_out,"turning on non blocking io\n");
1507                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1508                         {
1509                         ERR_print_errors(bio_err);
1510                         goto end;
1511                         }
1512                 }
1513 #endif
1514         if (c_Pause & 0x01) SSL_set_debug(con, 1);
1515
1516         if (socket_type == SOCK_DGRAM)
1517                 {
1518
1519                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1520                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1521                         {
1522                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1523                                 get_last_socket_error());
1524                         SHUTDOWN(s);
1525                         goto end;
1526                         }
1527
1528                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1529
1530                 if (enable_timeouts)
1531                         {
1532                         timeout.tv_sec = 0;
1533                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1534                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1535
1536                         timeout.tv_sec = 0;
1537                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1538                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1539                         }
1540
1541                 if (socket_mtu > 28)
1542                         {
1543                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1544                         SSL_set_mtu(con, socket_mtu - 28);
1545                         }
1546                 else
1547                         /* want to do MTU discovery */
1548                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1549                 }
1550         else
1551                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1552
1553         if (nbio_test)
1554                 {
1555                 BIO *test;
1556
1557                 test=BIO_new(BIO_f_nbio_test());
1558                 sbio=BIO_push(test,sbio);
1559                 }
1560
1561         if (c_debug)
1562                 {
1563                 SSL_set_debug(con, 1);
1564                 BIO_set_callback(sbio,bio_dump_callback);
1565                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1566                 }
1567         if (c_msg)
1568                 {
1569 #ifndef OPENSSL_NO_SSL_TRACE
1570                 if (c_msg == 2)
1571                         SSL_set_msg_callback(con, SSL_trace);
1572                 else
1573 #endif
1574                         SSL_set_msg_callback(con, msg_cb);
1575                 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1576                 }
1577 #ifndef OPENSSL_NO_TLSEXT
1578         if (c_tlsextdebug)
1579                 {
1580                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1581                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1582                 }
1583         if (c_status_req)
1584                 {
1585                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1586                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1587                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1588 #if 0
1589 {
1590 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1591 OCSP_RESPID *id = OCSP_RESPID_new();
1592 id->value.byKey = ASN1_OCTET_STRING_new();
1593 id->type = V_OCSP_RESPID_KEY;
1594 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1595 sk_OCSP_RESPID_push(ids, id);
1596 SSL_set_tlsext_status_ids(con, ids);
1597 }
1598 #endif
1599                 }
1600 #endif
1601 #ifndef OPENSSL_NO_JPAKE
1602         if (jpake_secret)
1603                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1604 #endif
1605
1606         SSL_set_bio(con,sbio,sbio);
1607         SSL_set_connect_state(con);
1608
1609         /* ok, lets connect */
1610         width=SSL_get_fd(con)+1;
1611
1612         read_tty=1;
1613         write_tty=0;
1614         tty_on=0;
1615         read_ssl=1;
1616         write_ssl=1;
1617
1618         cbuf_len=0;
1619         cbuf_off=0;
1620         sbuf_len=0;
1621         sbuf_off=0;
1622
1623         /* This is an ugly hack that does a lot of assumptions */
1624         /* We do have to handle multi-line responses which may come
1625            in a single packet or not. We therefore have to use
1626            BIO_gets() which does need a buffering BIO. So during
1627            the initial chitchat we do push a buffering BIO into the
1628            chain that is removed again later on to not disturb the
1629            rest of the s_client operation. */
1630         if (starttls_proto == PROTO_SMTP)
1631                 {
1632                 int foundit=0;
1633                 BIO *fbio = BIO_new(BIO_f_buffer());
1634                 BIO_push(fbio, sbio);
1635                 /* wait for multi-line response to end from SMTP */
1636                 do
1637                         {
1638                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1639                         }
1640                 while (mbuf_len>3 && mbuf[3]=='-');
1641                 /* STARTTLS command requires EHLO... */
1642                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1643                 (void)BIO_flush(fbio);
1644                 /* wait for multi-line response to end EHLO SMTP response */
1645                 do
1646                         {
1647                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1648                         if (strstr(mbuf,"STARTTLS"))
1649                                 foundit=1;
1650                         }
1651                 while (mbuf_len>3 && mbuf[3]=='-');
1652                 (void)BIO_flush(fbio);
1653                 BIO_pop(fbio);
1654                 BIO_free(fbio);
1655                 if (!foundit)
1656                         BIO_printf(bio_err,
1657                                    "didn't found starttls in server response,"
1658                                    " try anyway...\n");
1659                 BIO_printf(sbio,"STARTTLS\r\n");
1660                 BIO_read(sbio,sbuf,BUFSIZZ);
1661                 }
1662         else if (starttls_proto == PROTO_POP3)
1663                 {
1664                 BIO_read(sbio,mbuf,BUFSIZZ);
1665                 BIO_printf(sbio,"STLS\r\n");
1666                 BIO_read(sbio,sbuf,BUFSIZZ);
1667                 }
1668         else if (starttls_proto == PROTO_IMAP)
1669                 {
1670                 int foundit=0;
1671                 BIO *fbio = BIO_new(BIO_f_buffer());
1672                 BIO_push(fbio, sbio);
1673                 BIO_gets(fbio,mbuf,BUFSIZZ);
1674                 /* STARTTLS command requires CAPABILITY... */
1675                 BIO_printf(fbio,". CAPABILITY\r\n");
1676                 (void)BIO_flush(fbio);
1677                 /* wait for multi-line CAPABILITY response */
1678                 do
1679                         {
1680                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1681                         if (strstr(mbuf,"STARTTLS"))
1682                                 foundit=1;
1683                         }
1684                 while (mbuf_len>3 && mbuf[0]!='.');
1685                 (void)BIO_flush(fbio);
1686                 BIO_pop(fbio);
1687                 BIO_free(fbio);
1688                 if (!foundit)
1689                         BIO_printf(bio_err,
1690                                    "didn't found STARTTLS in server response,"
1691                                    " try anyway...\n");
1692                 BIO_printf(sbio,". STARTTLS\r\n");
1693                 BIO_read(sbio,sbuf,BUFSIZZ);
1694                 }
1695         else if (starttls_proto == PROTO_FTP)
1696                 {
1697                 BIO *fbio = BIO_new(BIO_f_buffer());
1698                 BIO_push(fbio, sbio);
1699                 /* wait for multi-line response to end from FTP */
1700                 do
1701                         {
1702                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1703                         }
1704                 while (mbuf_len>3 && mbuf[3]=='-');
1705                 (void)BIO_flush(fbio);
1706                 BIO_pop(fbio);
1707                 BIO_free(fbio);
1708                 BIO_printf(sbio,"AUTH TLS\r\n");
1709                 BIO_read(sbio,sbuf,BUFSIZZ);
1710                 }
1711         if (starttls_proto == PROTO_XMPP)
1712                 {
1713                 int seen = 0;
1714                 BIO_printf(sbio,"<stream:stream "
1715                     "xmlns:stream='http://etherx.jabber.org/streams' "
1716                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1717                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1718                 mbuf[seen] = 0;
1719                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1720                         {
1721                         if (strstr(mbuf, "/stream:features>"))
1722                                 goto shut;
1723                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1724                         mbuf[seen] = 0;
1725                         }
1726                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1727                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1728                 sbuf[seen] = 0;
1729                 if (!strstr(sbuf, "<proceed"))
1730                         goto shut;
1731                 mbuf[0] = 0;
1732                 }
1733
1734         for (;;)
1735                 {
1736                 FD_ZERO(&readfds);
1737                 FD_ZERO(&writefds);
1738
1739                 if ((SSL_version(con) == DTLS1_VERSION) &&
1740                         DTLSv1_get_timeout(con, &timeout))
1741                         timeoutp = &timeout;
1742                 else
1743                         timeoutp = NULL;
1744
1745                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1746                         {
1747                         in_init=1;
1748                         tty_on=0;
1749                         }
1750                 else
1751                         {
1752                         tty_on=1;
1753                         if (in_init)
1754                                 {
1755                                 in_init=0;
1756 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1757 #ifndef OPENSSL_NO_TLSEXT
1758                                 if (servername != NULL && !SSL_session_reused(con))
1759                                         {
1760                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1761                                         }
1762 #endif
1763 #endif
1764                                 if (sess_out)
1765                                         {
1766                                         BIO *stmp = BIO_new_file(sess_out, "w");
1767                                         if (stmp)
1768                                                 {
1769                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1770                                                 BIO_free(stmp);
1771                                                 }
1772                                         else
1773                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1774                                         }
1775                                 if (c_brief)
1776                                         {
1777                                         BIO_puts(bio_err,
1778                                                 "CONNECTION ESTABLISHED\n");
1779                                         print_ssl_summary(bio_err, con);
1780                                         }
1781                                 /*handshake is complete - free the generated supp data allocated in the callback */
1782                                 if (generated_supp_data)
1783                                         {
1784                                         OPENSSL_free(generated_supp_data);
1785                                         generated_supp_data = NULL;
1786                                         }
1787
1788                                 print_stuff(bio_c_out,con,full_log);
1789                                 if (full_log > 0) full_log--;
1790
1791                                 if (starttls_proto)
1792                                         {
1793                                         BIO_printf(bio_err,"%s",mbuf);
1794                                         /* We don't need to know any more */
1795                                         starttls_proto = PROTO_OFF;
1796                                         }
1797
1798                                 if (reconnect)
1799                                         {
1800                                         reconnect--;
1801                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1802                                         SSL_shutdown(con);
1803                                         SSL_set_connect_state(con);
1804                                         SHUTDOWN(SSL_get_fd(con));
1805                                         goto re_start;
1806                                         }
1807                                 }
1808                         }
1809
1810                 ssl_pending = read_ssl && SSL_pending(con);
1811
1812                 if (!ssl_pending)
1813                         {
1814 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1815                         if (tty_on)
1816                                 {
1817                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1818                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1819                                 }
1820                         if (read_ssl)
1821                                 openssl_fdset(SSL_get_fd(con),&readfds);
1822                         if (write_ssl)
1823                                 openssl_fdset(SSL_get_fd(con),&writefds);
1824 #else
1825                         if(!tty_on || !write_tty) {
1826                                 if (read_ssl)
1827                                         openssl_fdset(SSL_get_fd(con),&readfds);
1828                                 if (write_ssl)
1829                                         openssl_fdset(SSL_get_fd(con),&writefds);
1830                         }
1831 #endif
1832 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1833                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1834
1835                         /* Note: under VMS with SOCKETSHR the second parameter
1836                          * is currently of type (int *) whereas under other
1837                          * systems it is (void *) if you don't have a cast it
1838                          * will choke the compiler: if you do have a cast then
1839                          * you can either go for (int *) or (void *).
1840                          */
1841 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1842                         /* Under Windows/DOS we make the assumption that we can
1843                          * always write to the tty: therefore if we need to
1844                          * write to the tty we just fall through. Otherwise
1845                          * we timeout the select every second and see if there
1846                          * are any keypresses. Note: this is a hack, in a proper
1847                          * Windows application we wouldn't do this.
1848                          */
1849                         i=0;
1850                         if(!write_tty) {
1851                                 if(read_tty) {
1852                                         tv.tv_sec = 1;
1853                                         tv.tv_usec = 0;
1854                                         i=select(width,(void *)&readfds,(void *)&writefds,
1855                                                  NULL,&tv);
1856 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1857                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1858 #else
1859                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1860 #endif
1861                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1862                                          NULL,timeoutp);
1863                         }
1864 #elif defined(OPENSSL_SYS_NETWARE)
1865                         if(!write_tty) {
1866                                 if(read_tty) {
1867                                         tv.tv_sec = 1;
1868                                         tv.tv_usec = 0;
1869                                         i=select(width,(void *)&readfds,(void *)&writefds,
1870                                                 NULL,&tv);
1871                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1872                                         NULL,timeoutp);
1873                         }
1874 #elif defined(OPENSSL_SYS_BEOS_R5)
1875                         /* Under BeOS-R5 the situation is similar to DOS */
1876                         i=0;
1877                         stdin_set = 0;
1878                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1879                         if(!write_tty) {
1880                                 if(read_tty) {
1881                                         tv.tv_sec = 1;
1882                                         tv.tv_usec = 0;
1883                                         i=select(width,(void *)&readfds,(void *)&writefds,
1884                                                  NULL,&tv);
1885                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1886                                                 stdin_set = 1;
1887                                         if (!i && (stdin_set != 1 || !read_tty))
1888                                                 continue;
1889                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1890                                          NULL,timeoutp);
1891                         }
1892                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1893 #else
1894                         i=select(width,(void *)&readfds,(void *)&writefds,
1895                                  NULL,timeoutp);
1896 #endif
1897                         if ( i < 0)
1898                                 {
1899                                 BIO_printf(bio_err,"bad select %d\n",
1900                                 get_last_socket_error());
1901                                 goto shut;
1902                                 /* goto end; */
1903                                 }
1904                         }
1905
1906                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1907                         {
1908                         BIO_printf(bio_err,"TIMEOUT occured\n");
1909                         }
1910
1911                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1912                         {
1913                         k=SSL_write(con,&(cbuf[cbuf_off]),
1914                                 (unsigned int)cbuf_len);
1915                         switch (SSL_get_error(con,k))
1916                                 {
1917                         case SSL_ERROR_NONE:
1918                                 cbuf_off+=k;
1919                                 cbuf_len-=k;
1920                                 if (k <= 0) goto end;
1921                                 /* we have done a  write(con,NULL,0); */
1922                                 if (cbuf_len <= 0)
1923                                         {
1924                                         read_tty=1;
1925                                         write_ssl=0;
1926                                         }
1927                                 else /* if (cbuf_len > 0) */
1928                                         {
1929                                         read_tty=0;
1930                                         write_ssl=1;
1931                                         }
1932                                 break;
1933                         case SSL_ERROR_WANT_WRITE:
1934                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1935                                 write_ssl=1;
1936                                 read_tty=0;
1937                                 break;
1938                         case SSL_ERROR_WANT_READ:
1939                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1940                                 write_tty=0;
1941                                 read_ssl=1;
1942                                 write_ssl=0;
1943                                 break;
1944                         case SSL_ERROR_WANT_X509_LOOKUP:
1945                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1946                                 break;
1947                         case SSL_ERROR_ZERO_RETURN:
1948                                 if (cbuf_len != 0)
1949                                         {
1950                                         BIO_printf(bio_c_out,"shutdown\n");
1951                                         ret = 0;
1952                                         goto shut;
1953                                         }
1954                                 else
1955                                         {
1956                                         read_tty=1;
1957                                         write_ssl=0;
1958                                         break;
1959                                         }
1960
1961                         case SSL_ERROR_SYSCALL:
1962                                 if ((k != 0) || (cbuf_len != 0))
1963                                         {
1964                                         BIO_printf(bio_err,"write:errno=%d\n",
1965                                                 get_last_socket_error());
1966                                         goto shut;
1967                                         }
1968                                 else
1969                                         {
1970                                         read_tty=1;
1971                                         write_ssl=0;
1972                                         }
1973                                 break;
1974                         case SSL_ERROR_SSL:
1975                                 ERR_print_errors(bio_err);
1976                                 goto shut;
1977                                 }
1978                         }
1979 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1980                 /* Assume Windows/DOS/BeOS can always write */
1981                 else if (!ssl_pending && write_tty)
1982 #else
1983                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1984 #endif
1985                         {
1986 #ifdef CHARSET_EBCDIC
1987                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1988 #endif
1989                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1990
1991                         if (i <= 0)
1992                                 {
1993                                 BIO_printf(bio_c_out,"DONE\n");
1994                                 ret = 0;
1995                                 goto shut;
1996                                 /* goto end; */
1997                                 }
1998
1999                         sbuf_len-=i;;
2000                         sbuf_off+=i;
2001                         if (sbuf_len <= 0)
2002                                 {
2003                                 read_ssl=1;
2004                                 write_tty=0;
2005                                 }
2006                         }
2007                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
2008                         {
2009 #ifdef RENEG
2010 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
2011 #endif
2012 #if 1
2013                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
2014 #else
2015 /* Demo for pending and peek :-) */
2016                         k=SSL_read(con,sbuf,16);
2017 { char zbuf[10240];
2018 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
2019 }
2020 #endif
2021
2022                         switch (SSL_get_error(con,k))
2023                                 {
2024                         case SSL_ERROR_NONE:
2025                                 if (k <= 0)
2026                                         goto end;
2027                                 sbuf_off=0;
2028                                 sbuf_len=k;
2029
2030                                 read_ssl=0;
2031                                 write_tty=1;
2032                                 break;
2033                         case SSL_ERROR_WANT_WRITE:
2034                                 BIO_printf(bio_c_out,"read W BLOCK\n");
2035                                 write_ssl=1;
2036                                 read_tty=0;
2037                                 break;
2038                         case SSL_ERROR_WANT_READ:
2039                                 BIO_printf(bio_c_out,"read R BLOCK\n");
2040                                 write_tty=0;
2041                                 read_ssl=1;
2042                                 if ((read_tty == 0) && (write_ssl == 0))
2043                                         write_ssl=1;
2044                                 break;
2045                         case SSL_ERROR_WANT_X509_LOOKUP:
2046                                 BIO_printf(bio_c_out,"read X BLOCK\n");
2047                                 break;
2048                         case SSL_ERROR_SYSCALL:
2049                                 ret=get_last_socket_error();
2050                                 if (c_brief)
2051                                         BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2052                                 else
2053                                         BIO_printf(bio_err,"read:errno=%d\n",ret);
2054                                 goto shut;
2055                         case SSL_ERROR_ZERO_RETURN:
2056                                 BIO_printf(bio_c_out,"closed\n");
2057                                 ret=0;
2058                                 goto shut;
2059                         case SSL_ERROR_SSL:
2060                                 ERR_print_errors(bio_err);
2061                                 goto shut;
2062                                 /* break; */
2063                                 }
2064                         }
2065
2066 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2067 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2068                 else if (_kbhit())
2069 #else
2070                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2071 #endif
2072 #elif defined (OPENSSL_SYS_NETWARE)
2073                 else if (_kbhit())
2074 #elif defined(OPENSSL_SYS_BEOS_R5)
2075                 else if (stdin_set)
2076 #else
2077                 else if (FD_ISSET(fileno(stdin),&readfds))
2078 #endif
2079                         {
2080                         if (crlf)
2081                                 {
2082                                 int j, lf_num;
2083
2084                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2085                                 lf_num = 0;
2086                                 /* both loops are skipped when i <= 0 */
2087                                 for (j = 0; j < i; j++)
2088                                         if (cbuf[j] == '\n')
2089                                                 lf_num++;
2090                                 for (j = i-1; j >= 0; j--)
2091                                         {
2092                                         cbuf[j+lf_num] = cbuf[j];
2093                                         if (cbuf[j] == '\n')
2094                                                 {
2095                                                 lf_num--;
2096                                                 i++;
2097                                                 cbuf[j+lf_num] = '\r';
2098                                                 }
2099                                         }
2100                                 assert(lf_num == 0);
2101                                 }
2102                         else
2103                                 i=raw_read_stdin(cbuf,BUFSIZZ);
2104
2105                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2106                                 {
2107                                 BIO_printf(bio_err,"DONE\n");
2108                                 ret=0;
2109                                 goto shut;
2110                                 }
2111
2112                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
2113                                 {
2114                                 BIO_printf(bio_err,"RENEGOTIATING\n");
2115                                 SSL_renegotiate(con);
2116                                 cbuf_len=0;
2117                                 }
2118 #ifndef OPENSSL_NO_HEARTBEATS
2119                         else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2120                                 {
2121                                 BIO_printf(bio_err,"HEARTBEATING\n");
2122                                 SSL_heartbeat(con);
2123                                 cbuf_len=0;
2124                                 }
2125 #endif
2126                         else
2127                                 {
2128                                 cbuf_len=i;
2129                                 cbuf_off=0;
2130 #ifdef CHARSET_EBCDIC
2131                                 ebcdic2ascii(cbuf, cbuf, i);
2132 #endif
2133                                 }
2134
2135                         write_ssl=1;
2136                         read_tty=0;
2137                         }
2138                 }
2139
2140         ret=0;
2141 shut:
2142         if (in_init)
2143                 print_stuff(bio_c_out,con,full_log);
2144         SSL_shutdown(con);
2145         SHUTDOWN(SSL_get_fd(con));
2146 end:
2147         if (con != NULL)
2148                 {
2149                 if (prexit != 0)
2150                         print_stuff(bio_c_out,con,1);
2151                 SSL_free(con);
2152                 }
2153 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2154         if (next_proto.data)
2155                 OPENSSL_free(next_proto.data);
2156 #endif
2157         if (ctx != NULL) SSL_CTX_free(ctx);
2158         if (cert)
2159                 X509_free(cert);
2160         if (crls)
2161                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2162         if (key)
2163                 EVP_PKEY_free(key);
2164         if (chain)
2165                 sk_X509_pop_free(chain, X509_free);
2166         if (pass)
2167                 OPENSSL_free(pass);
2168         if (vpm)
2169                 X509_VERIFY_PARAM_free(vpm);
2170         ssl_excert_free(exc);
2171         if (ssl_args)
2172                 sk_OPENSSL_STRING_free(ssl_args);
2173         if (cctx)
2174                 SSL_CONF_CTX_free(cctx);
2175 #ifndef OPENSSL_NO_JPAKE
2176         if (jpake_secret && psk_key)
2177                 OPENSSL_free(psk_key);
2178 #endif
2179         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2180         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2181         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2182         if (bio_c_out != NULL)
2183                 {
2184                 BIO_free(bio_c_out);
2185                 bio_c_out=NULL;
2186                 }
2187         if (bio_c_msg != NULL)
2188                 {
2189                 BIO_free(bio_c_msg);
2190                 bio_c_msg=NULL;
2191                 }
2192         apps_shutdown();
2193         OPENSSL_EXIT(ret);
2194         }
2195
2196
2197 static void print_stuff(BIO *bio, SSL *s, int full)
2198         {
2199         X509 *peer=NULL;
2200         char *p;
2201         static const char *space="                ";
2202         char buf[BUFSIZ];
2203         STACK_OF(X509) *sk;
2204         STACK_OF(X509_NAME) *sk2;
2205         const SSL_CIPHER *c;
2206         X509_NAME *xn;
2207         int j,i;
2208 #ifndef OPENSSL_NO_COMP
2209         const COMP_METHOD *comp, *expansion;
2210 #endif
2211         unsigned char *exportedkeymat;
2212
2213         if (full)
2214                 {
2215                 int got_a_chain = 0;
2216
2217                 sk=SSL_get_peer_cert_chain(s);
2218                 if (sk != NULL)
2219                         {
2220                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2221
2222                         BIO_printf(bio,"---\nCertificate chain\n");
2223                         for (i=0; i<sk_X509_num(sk); i++)
2224                                 {
2225                                 X509_NAME_oneline(X509_get_subject_name(
2226                                         sk_X509_value(sk,i)),buf,sizeof buf);
2227                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
2228                                 X509_NAME_oneline(X509_get_issuer_name(
2229                                         sk_X509_value(sk,i)),buf,sizeof buf);
2230                                 BIO_printf(bio,"   i:%s\n",buf);
2231                                 if (c_showcerts)
2232                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2233                                 }
2234                         }
2235
2236                 BIO_printf(bio,"---\n");
2237                 peer=SSL_get_peer_certificate(s);
2238                 if (peer != NULL)
2239                         {
2240                         BIO_printf(bio,"Server certificate\n");
2241                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2242                                 PEM_write_bio_X509(bio,peer);
2243                         X509_NAME_oneline(X509_get_subject_name(peer),
2244                                 buf,sizeof buf);
2245                         BIO_printf(bio,"subject=%s\n",buf);
2246                         X509_NAME_oneline(X509_get_issuer_name(peer),
2247                                 buf,sizeof buf);
2248                         BIO_printf(bio,"issuer=%s\n",buf);
2249                         }
2250                 else
2251                         BIO_printf(bio,"no peer certificate available\n");
2252
2253                 sk2=SSL_get_client_CA_list(s);
2254                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2255                         {
2256                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2257                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
2258                                 {
2259                                 xn=sk_X509_NAME_value(sk2,i);
2260                                 X509_NAME_oneline(xn,buf,sizeof(buf));
2261                                 BIO_write(bio,buf,strlen(buf));
2262                                 BIO_write(bio,"\n",1);
2263                                 }
2264                         }
2265                 else
2266                         {
2267                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2268                         }
2269                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2270                 if (p != NULL)
2271                         {
2272                         /* This works only for SSL 2.  In later protocol
2273                          * versions, the client does not know what other
2274                          * ciphers (in addition to the one to be used
2275                          * in the current connection) the server supports. */
2276
2277                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2278                         j=i=0;
2279                         while (*p)
2280                                 {
2281                                 if (*p == ':')
2282                                         {
2283                                         BIO_write(bio,space,15-j%25);
2284                                         i++;
2285                                         j=0;
2286                                         BIO_write(bio,((i%3)?" ":"\n"),1);
2287                                         }
2288                                 else
2289                                         {
2290                                         BIO_write(bio,p,1);
2291                                         j++;
2292                                         }
2293                                 p++;
2294                                 }
2295                         BIO_write(bio,"\n",1);
2296                         }
2297
2298                 ssl_print_sigalgs(bio, s);
2299                 ssl_print_tmp_key(bio, s);
2300
2301                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2302                         BIO_number_read(SSL_get_rbio(s)),
2303                         BIO_number_written(SSL_get_wbio(s)));
2304                 }
2305         BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2306         c=SSL_get_current_cipher(s);
2307         BIO_printf(bio,"%s, Cipher is %s\n",
2308                 SSL_CIPHER_get_version(c),
2309                 SSL_CIPHER_get_name(c));
2310         if (peer != NULL) {
2311                 EVP_PKEY *pktmp;
2312                 pktmp = X509_get_pubkey(peer);
2313                 BIO_printf(bio,"Server public key is %d bit\n",
2314                                                          EVP_PKEY_bits(pktmp));
2315                 EVP_PKEY_free(pktmp);
2316         }
2317         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2318                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2319 #ifndef OPENSSL_NO_COMP
2320         comp=SSL_get_current_compression(s);
2321         expansion=SSL_get_current_expansion(s);
2322         BIO_printf(bio,"Compression: %s\n",
2323                 comp ? SSL_COMP_get_name(comp) : "NONE");
2324         BIO_printf(bio,"Expansion: %s\n",
2325                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2326 #endif
2327
2328 #ifdef SSL_DEBUG
2329         {
2330         /* Print out local port of connection: useful for debugging */
2331         int sock;
2332         struct sockaddr_in ladd;
2333         socklen_t ladd_size = sizeof(ladd);
2334         sock = SSL_get_fd(s);
2335         getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2336         BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2337         }
2338 #endif
2339
2340 #if !defined(OPENSSL_NO_TLSEXT)
2341 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2342         if (next_proto.status != -1) {
2343                 const unsigned char *proto;
2344                 unsigned int proto_len;
2345                 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2346                 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2347                 BIO_write(bio, proto, proto_len);
2348                 BIO_write(bio, "\n", 1);
2349         }
2350 # endif
2351         {
2352                 const unsigned char *proto;
2353                 unsigned int proto_len;
2354                 SSL_get0_alpn_selected(s, &proto, &proto_len);
2355                 if (proto_len > 0)
2356                         {
2357                         BIO_printf(bio, "ALPN protocol: ");
2358                         BIO_write(bio, proto, proto_len);
2359                         BIO_write(bio, "\n", 1);
2360                         }
2361                 else
2362                         BIO_printf(bio, "No ALPN negotiated\n");
2363         }
2364 #endif
2365
2366         {
2367         SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2368
2369         if(srtp_profile)
2370                 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2371                            srtp_profile->name);
2372         }
2373
2374         SSL_SESSION_print(bio,SSL_get_session(s));
2375         if (keymatexportlabel != NULL)
2376                 {
2377                 BIO_printf(bio, "Keying material exporter:\n");
2378                 BIO_printf(bio, "    Label: '%s'\n", keymatexportlabel);
2379                 BIO_printf(bio, "    Length: %i bytes\n", keymatexportlen);
2380                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2381                 if (exportedkeymat != NULL)
2382                         {
2383                         if (!SSL_export_keying_material(s, exportedkeymat,
2384                                                         keymatexportlen,
2385                                                         keymatexportlabel,
2386                                                         strlen(keymatexportlabel),
2387                                                         NULL, 0, 0))
2388                                 {
2389                                 BIO_printf(bio, "    Error\n");
2390                                 }
2391                         else
2392                                 {
2393                                 BIO_printf(bio, "    Keying material: ");
2394                                 for (i=0; i<keymatexportlen; i++)
2395                                         BIO_printf(bio, "%02X",
2396                                                    exportedkeymat[i]);
2397                                 BIO_printf(bio, "\n");
2398                                 }
2399                         OPENSSL_free(exportedkeymat);
2400                         }
2401                 }
2402         BIO_printf(bio,"---\n");
2403         if (peer != NULL)
2404                 X509_free(peer);
2405         /* flush, or debugging output gets mixed with http response */
2406         (void)BIO_flush(bio);
2407         }
2408
2409 #ifndef OPENSSL_NO_TLSEXT
2410
2411 static int ocsp_resp_cb(SSL *s, void *arg)
2412         {
2413         const unsigned char *p;
2414         int len;
2415         OCSP_RESPONSE *rsp;
2416         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2417         BIO_puts(arg, "OCSP response: ");
2418         if (!p)
2419                 {
2420                 BIO_puts(arg, "no response sent\n");
2421                 return 1;
2422                 }
2423         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2424         if (!rsp)
2425                 {
2426                 BIO_puts(arg, "response parse error\n");
2427                 BIO_dump_indent(arg, (char *)p, len, 4);
2428                 return 0;
2429                 }
2430         BIO_puts(arg, "\n======================================\n");
2431         OCSP_RESPONSE_print(arg, rsp, 0);
2432         BIO_puts(arg, "======================================\n");
2433         OCSP_RESPONSE_free(rsp);
2434         return 1;
2435         }
2436
2437 static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
2438                            const unsigned char *in,
2439                            unsigned short inlen, int *al,
2440                            void *arg)
2441         {
2442         if (TLSEXT_TYPE_server_authz == ext_type)
2443                 {
2444                 server_provided_server_authz = (memchr(in,
2445                 TLSEXT_AUTHZDATAFORMAT_dtcp,
2446                 inlen) != NULL);
2447                 }
2448
2449         if (TLSEXT_TYPE_client_authz == ext_type)
2450                 {
2451                 server_provided_client_authz = (memchr(in,
2452                 TLSEXT_AUTHZDATAFORMAT_dtcp,
2453                 inlen) != NULL);
2454                 }
2455
2456         return 1;
2457         }
2458
2459 static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
2460                                     const unsigned char **out, unsigned short *outlen,
2461                                     void *arg)
2462         {
2463         if (c_auth)
2464                 {
2465                 /*if auth_require_reneg flag is set, only send extensions if
2466                   renegotiation has occurred */
2467                 if (!c_auth_require_reneg || (c_auth_require_reneg && SSL_num_renegotiations(s)))
2468                         {
2469                         *out = auth_ext_data;
2470                         *outlen = 1;
2471                         return 1;
2472                         }
2473                 }
2474         //no auth extension to send
2475         return -1;
2476         }
2477
2478 static int suppdata_cb(SSL *s, unsigned short supp_data_type,
2479                        const unsigned char *in,
2480                        unsigned short inlen, int *al,
2481                        void *arg)
2482         {
2483         if (supp_data_type == TLSEXT_SUPPLEMENTALDATATYPE_authz_data)
2484                 {
2485                 most_recent_supplemental_data = in;
2486                 most_recent_supplemental_data_length = inlen;
2487                 }
2488         return 1;
2489         }
2490
2491 static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
2492                                      const unsigned char **out,
2493                                      unsigned short *outlen, void *arg)
2494         {
2495         if (c_auth && server_provided_client_authz && server_provided_server_authz)
2496                 {
2497                 /*if auth_require_reneg flag is set, only send supplemental data if
2498                   renegotiation has occurred */
2499                 if (!c_auth_require_reneg
2500                     || (c_auth_require_reneg && SSL_num_renegotiations(s)))
2501                         {
2502                         generated_supp_data = OPENSSL_malloc(10);
2503                         memcpy(generated_supp_data, "5432154321", 10);
2504                         *out = generated_supp_data;
2505                         *outlen = 10;
2506                         return 1;
2507                         }
2508                 }
2509         //no supplemental data to send
2510         return -1;
2511         }
2512
2513 #endif